Role of interactions in the far-infrared spectrum of a lateral quantum dot molecule

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dc.creatorMarlo, M.
dc.creatorHarju, A.
dc.creatorNieminen, R. M.
dc.date2003-09-23
dc.date.accessioned2026-07-07T02:53:43Z
dc.date.available2026-07-07T02:53:43Z
dc.descriptionWe study the effects of electron-electron correlations and confinement potential on the far-infrared spectrum of a lateral two-electron quantum dot molecule by exact diagonalization. The calculated spectra directly reflect the lowered symmetry of the external confinement potential. Surprisingly, we find interactions to drive the spectrum towards that of a high-symmetry parabolic quantum dot. We conclude that far-infrared spectroscopy is suitable for probing effective confinement of the electrons in a quantum dot system, even if interaction effects cannot be resolved in a direct fashion.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0309526
dc.identifierhttp://arxiv.org/abs/cond-mat/0309526
dc.identifierPhys. Rev. Lett. 91, 187401 (2003)
dc.identifierdoi:10.1103/PhysRevLett.91.187401
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22273
dc.subjectMesoscale and Nanoscale Physics
dc.titleRole of interactions in the far-infrared spectrum of a lateral quantum dot molecule
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